BigTreeTech SKR E3 Turbo (#19500)

Marlin/src/MarlinCore.cpp

@@ -867,6 +867,57 @@ void stop() {
   }
 }
 
+inline void tmc_standby_setup() {
+  #if PIN_EXISTS(X_STDBY)
+    SET_INPUT_PULLDOWN(X_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(X2_STDBY)
+    SET_INPUT_PULLDOWN(X2_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(Y_STDBY)
+    SET_INPUT_PULLDOWN(Y_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(Y2_STDBY)
+    SET_INPUT_PULLDOWN(Y2_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(Z_STDBY)
+    SET_INPUT_PULLDOWN(Z_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(Z2_STDBY)
+    SET_INPUT_PULLDOWN(Z2_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(Z3_STDBY)
+    SET_INPUT_PULLDOWN(Z3_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(Z4_STDBY)
+    SET_INPUT_PULLDOWN(Z4_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(E0_STDBY)
+    SET_INPUT_PULLDOWN(E0_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(E1_STDBY)
+    SET_INPUT_PULLDOWN(E1_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(E2_STDBY)
+    SET_INPUT_PULLDOWN(E2_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(E3_STDBY)
+    SET_INPUT_PULLDOWN(E3_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(E4_STDBY)
+    SET_INPUT_PULLDOWN(E4_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(E5_STDBY)
+    SET_INPUT_PULLDOWN(E5_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(E6_STDBY)
+    SET_INPUT_PULLDOWN(E6_STDBY_PIN);
+  #endif
+  #if PIN_EXISTS(E7_STDBY)
+    SET_INPUT_PULLDOWN(E7_STDBY_PIN);
+  #endif
+}
+
 /**
  * Marlin entry-point: Set up before the program loop
  *  - Set up the kill pin, filament runout, power hold
@@ -888,6 +939,8 @@ void stop() {
  */
 void setup() {
 
+  tmc_standby_setup();  // TMC Low Power Standby pins must be set early or they're not usable
+
   #if ENABLED(MARLIN_DEV_MODE)
     auto log_current_ms = [&](PGM_P const msg) {
       SERIAL_ECHO_START();

Marlin/src/core/boards.h

@@ -223,6 +223,7 @@
 #define BOARD_BTT_SKR_V1_1            2012  // BigTreeTech SKR v1.1 (Power outputs: Hotend0, Hotend1, Fan, Bed)
 #define BOARD_BTT_SKR_V1_3            2013  // BigTreeTech SKR v1.3 (Power outputs: Hotend0, Hotend1, Fan, Bed)
 #define BOARD_BTT_SKR_V1_4            2014  // BigTreeTech SKR v1.4 (Power outputs: Hotend0, Hotend1, Fan, Bed)
+#define BOARD_BTT_SKR_E3_TURBO        2015  // BigTreeTech SKR E3 Turbo (Power outputs: Hotend0, Hotend1, Fan, Bed)
 
 //
 // LPC1769 ARM Cortex M3

Marlin/src/pins/lpc1769/pins_BTT_SKR_E3_TURBO.h

@@ -0,0 +1,266 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME "BTT SKR E3 Turbo"
+#endif
+
+// Onboard I2C EEPROM
+#define I2C_EEPROM
+#define MARLIN_EEPROM_SIZE                0x1000  // 4KB (AT24C32)
+
+//
+// Servos
+//
+#define SERVO0_PIN                         P1_23
+
+//
+// TMC StallGuard DIAG pins
+//
+#define X_DIAG_PIN                         P1_29  // X-STOP
+#define Y_DIAG_PIN                         P1_28  // Y-STOP
+#define Z_DIAG_PIN                         P1_27  // Z-STOP
+#define E0_DIAG_PIN                        P1_26  // E0DET
+#define E1_DIAG_PIN                        P1_25  // E1DET
+
+//
+// Limit Switches
+#define X_STOP_PIN                    X_DIAG_PIN
+#define Y_STOP_PIN                    Y_DIAG_PIN
+#define Z_STOP_PIN                    Z_DIAG_PIN
+
+//
+// Z Probe
+//
+#ifndef Z_MIN_PROBE_PIN
+  #define Z_MIN_PROBE_PIN                  P1_22
+#endif
+
+//
+// Filament Runout Sensor
+//
+#define FIL_RUNOUT_PIN                     P1_26  // E0DET
+#define FIL_RUNOUT2_PIN                    P1_25  // E1DET
+
+//
+// Power Supply Control
+//
+#ifndef PS_ON_PIN
+  #define PS_ON_PIN                        P1_21
+#endif
+
+// LED driving pin
+#define NEOPIXEL_PIN                       P1_24
+
+//
+// Power Loss Detection
+//
+#ifndef POWER_LOSS_PIN
+  #define POWER_LOSS_PIN                   P1_20  // PWRDET
+#endif
+
+//
+// Steppers
+//
+#define X_STEP_PIN                         P1_04
+#define X_DIR_PIN                          P1_08
+#define X_ENABLE_PIN                       P1_00
+#ifndef X_CS_PIN
+  #define X_CS_PIN                         P1_01
+#endif
+
+#define Y_STEP_PIN                         P1_14
+#define Y_DIR_PIN                          P1_15
+#define Y_ENABLE_PIN                       P1_09
+#ifndef Y_CS_PIN
+  #define Y_CS_PIN                         P1_10
+#endif
+
+#define Z_STEP_PIN                         P4_29
+#define Z_DIR_PIN                          P4_28
+#define Z_ENABLE_PIN                       P1_16
+#ifndef Z_CS_PIN
+  #define Z_CS_PIN                         P1_17
+#endif
+
+#define E0_STEP_PIN                        P2_06
+#define E0_DIR_PIN                         P2_07
+#define E0_ENABLE_PIN                      P0_04
+#ifndef E0_CS_PIN
+  #define E0_CS_PIN                        P0_05
+#endif
+
+#define E1_STEP_PIN                        P2_11
+#define E1_DIR_PIN                         P2_12
+#define E1_ENABLE_PIN                      P0_21
+#ifndef E1_CS_PIN
+  #define E1_CS_PIN                        P0_22
+#endif
+
+#if HAS_TMC_UART
+  /**
+   * TMC2208/TMC2209 stepper drivers
+   *
+   * Hardware serial communication ports.
+   * If undefined software serial is used according to the pins below
+   */
+
+  //
+  // Software serial
+  //
+  #define X_SERIAL_TX_PIN                  P1_01
+  #define X_SERIAL_RX_PIN                  P1_01
+
+  #define Y_SERIAL_TX_PIN                  P1_10
+  #define Y_SERIAL_RX_PIN                  P1_10
+
+  #define Z_SERIAL_TX_PIN                  P1_17
+  #define Z_SERIAL_RX_PIN                  P1_17
+
+  #define E0_SERIAL_TX_PIN                 P0_05
+  #define E0_SERIAL_RX_PIN                 P0_05
+
+  #define E1_SERIAL_TX_PIN                 P0_22
+  #define E1_SERIAL_RX_PIN                 P0_22
+
+  // Reduce baud rate to improve software serial reliability
+  #define TMC_BAUD_RATE                    19200
+#endif
+
+//
+// TMC Low Power Standby pins
+//
+#define X_STDBY_PIN                        P3_26
+#define Y_STDBY_PIN                        P3_25
+#define Z_STDBY_PIN                        P1_18
+#define E0_STDBY_PIN                       P1_19
+#define E1_STDBY_PIN                       P2_13
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN                         P0_24
+#define TEMP_1_PIN                         P0_23
+//#define TEMP_2_PIN                       P1_30   // Onboard thermistor
+#define TEMP_BED_PIN                       P0_25
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN                       P2_03  // EXTRUDER 0
+#define HEATER_1_PIN                       P2_04  // EXTRUDER 1
+#define HEATER_BED_PIN                     P2_05  // BED
+#define FAN_PIN                            P2_01
+#define FAN1_PIN                           P2_02
+
+//
+// USB connect control
+//
+//#define USB_CONNECT_PIN                  P0_29
+//#define USB_CONNECT_INVERTING            false
+
+/**
+ *                  _____
+ *              5V | 1 2 | GND
+ *  (LCD_EN) P0_18 | 3 4 | P0_17 (LCD_RS)
+ *  (LCD_D4) P0_15 | 5 6   P0_20 (BTN_EN2)
+ *           RESET | 7 8 | P0_19 (BTN_EN1)
+ * (BTN_ENC) P0_16 | 9 10| P2_08 (BEEPER)
+ *                  -----
+ *                   EXP
+ */
+
+#define EXPA1_03_PIN                       P0_18
+#define EXPA1_04_PIN                       P0_17
+#define EXPA1_05_PIN                       P0_15
+#define EXPA1_06_PIN                       P0_20
+#define EXPA1_07_PIN                       -1
+#define EXPA1_08_PIN                       P0_19
+#define EXPA1_09_PIN                       P0_16
+#define EXPA1_10_PIN                       P2_08
+
+#if HAS_SPI_LCD
+
+  #if ENABLED(CR10_STOCKDISPLAY)
+
+    #define BEEPER_PIN              EXPA1_10_PIN
+
+    #define BTN_EN1                 EXPA1_08_PIN
+    #define BTN_EN2                 EXPA1_06_PIN
+    #define BTN_ENC                 EXPA1_09_PIN
+
+    #define LCD_PINS_RS             EXPA1_04_PIN
+    #define LCD_PINS_ENABLE         EXPA1_03_PIN
+    #define LCD_PINS_D4             EXPA1_05_PIN
+
+  #elif ENABLED(ZONESTAR_LCD)                     // ANET A8 LCD Controller - Must convert to 3.3V - CONNECTING TO 5V WILL DAMAGE THE BOARD!
+
+    #error "CAUTION! ZONESTAR_LCD requires wiring modifications. See 'pins_BTT_SKR_E3_TURBO.h' for details. Comment out this line to continue."
+
+    #define LCD_PINS_RS             EXPA1_05_PIN
+    #define LCD_PINS_ENABLE         EXPA1_09_PIN
+    #define LCD_PINS_D4             EXPA1_04_PIN
+    #define LCD_PINS_D5             EXPA1_06_PIN
+    #define LCD_PINS_D6             EXPA1_08_PIN
+    #define LCD_PINS_D7             EXPA1_10_PIN
+    #define ADC_KEYPAD_PIN                 P1_23  // Repurpose servo pin for ADC - CONNECTING TO 5V WILL DAMAGE THE BOARD!
+
+  #elif EITHER(MKS_MINI_12864, ENDER2_STOCKDISPLAY)
+
+    #define BTN_EN1                 EXPA1_08_PIN
+    #define BTN_EN2                 EXPA1_06_PIN
+    #define BTN_ENC                 EXPA1_09_PIN
+
+    #define DOGLCD_CS               EXPA1_04_PIN
+    #define DOGLCD_A0               EXPA1_05_PIN
+    #define DOGLCD_SCK              EXPA1_10_PIN
+    #define DOGLCD_MOSI             EXPA1_03_PIN
+    #define FORCE_SOFT_SPI
+    #define LCD_BACKLIGHT_PIN              -1
+
+  #else
+
+    #error "Only ZONESTAR_LCD, MKS_MINI_12864, ENDER2_STOCKDISPLAY, and CR10_STOCKDISPLAY are currently supported on the BTT_SKR_E3_TURBO."
+
+  #endif
+
+#endif // HAS_SPI_LCD
+
+//
+// SD Support
+//
+#ifndef SDCARD_CONNECTION
+  #define SDCARD_CONNECTION              ONBOARD
+#endif
+
+#if SD_CONNECTION_IS(ONBOARD)
+  #define SD_DETECT_PIN                    P2_00
+  #define SCK_PIN                          P0_07
+  #define MISO_PIN                         P0_08
+  #define MOSI_PIN                         P0_09
+  #define SS_PIN                           P0_06
+#elif SD_CONNECTION_IS(CUSTOM_CABLE)
+  #error "SD CUSTOM_CABLE is not compatible with SKR E3 Turbo."
+#endif
+
+#define ON_BOARD_SPI_DEVICE                    1  // SPI1

Marlin/src/pins/pins.h

@@ -421,6 +421,8 @@
   #include "lpc1769/pins_BTT_SKR_V1_4_TURBO.h"  // LPC1769                                env:LPC1769
 #elif MB(MKS_SGEN_L_V2)
   #include "lpc1769/pins_MKS_SGEN_L_V2.h"       // LPC1769                                env:LPC1769
+#elif MB(BTT_SKR_E3_TURBO)
+  #include "lpc1769/pins_BTT_SKR_E3_TURBO.h"    // LPC1769                                env:LPC1769
 
 //
 // Due (ATSAM) boards